34540221421 has 8 divisors (see below), whose sum is σ = 35757183744. Its totient is φ = 33329681760.

The previous prime is 34540221383. The next prime is 34540221433. The reversal of 34540221421 is 12412204543.

34540221421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34540221421 - 2¹³ = 34540213229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34540221421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34540021421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594720 + ... + 1616233.

It is an arithmetic number, because the mean of its divisors is an integer number (4469647968).

Almost surely, 2^34540221421 is an apocalyptic number.

34540221421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34540221421 is a deficient number, since it is larger than the sum of its proper divisors (1216962323).

34540221421 is a wasteful number, since it uses less digits than its factorization.

34540221421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211331.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 34540221421 its reverse (12412204543), we get a palindrome (46952425964).

The spelling of 34540221421 in words is "thirty-four billion, five hundred forty million, two hundred twenty-one thousand, four hundred twenty-one".